Home / 15,050.14-20,721.67-13,256.50

Finding the Fourth Proportional to 15,050.14, 20,721.67 and 13,256.50

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Solution

The fourth proportional to 15,050.14, 20,721.67 and 13,256.50 is: 18,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.14 : 20,721.67 = 13,256.50 : x
  2. Step 2: Convert to fraction form
    15,050.14/20,721.67 = 13,256.50/x
  3. Step 3: Cross multiply
    15,050.14x = 20,721.67 × 13,256.50
  4. Step 4: Simplify right side
    15,050.14x = 274,696,818.36
  5. Step 5: Solve for x
    x = 274,696,818.36/15,050.14
  6. Step 6: Final answer
    x = 18,252.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.